<?php

/* 
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namespace extend;
 
/**
* 
*/
class rank_user
{
    var $is_ac; //此题是否ac
    var $is_first_ac; //此题是否是第一个ac的
    var $submit_times; //提交总次数（至第一次ac为止）
    var $all_time; //所用总时间
}